/*
 * (c) Copyright 2020 Palantir Technologies Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.palantir.paxos;

import com.palantir.common.persist.Persistable;
import org.immutables.value.Value;

@Value.Immutable
public abstract class PaxosRound<V extends Persistable & Versionable> {
    public abstract long sequence();

    public abstract V value();

    @Value.Lazy
    public byte[] valueBytes() {
        return value().persistToBytes();
    }

    public static <V extends Persistable & Versionable> PaxosRound<V> of(long sequence, V value) {
        return ImmutablePaxosRound.<V>builder().sequence(sequence).value(value).build();
    }
}
